201992638480

素因数分解:

$2^4\times 5^1\times {\mathrm{2524907981}}^1$

素因数の和:2524907994

約数の個数: 20

約数和(自身を含む): 469632884652

約数和(自身を除く): 267640246172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524907981, 5049815962, 10099631924, 12624539905, 20199263848, 25249079810, 40398527696, 50498159620, 100996319240, 201992638480]

約数ペア:

[(1, 201992638480), (2, 100996319240), (4, 50498159620), (5, 40398527696), (8, 25249079810), (10, 20199263848), (16, 12624539905), (20, 10099631924), (40, 5049815962), (80, 2524907981)]